Jon Harman has released versions of DStretch for the both Apple and Android phones
and tablets. Use your phone or tablet in the field to see faint or invisible rock
art images. IDStretch for the iPhone and iPad is available on the Apple Store and
AndroidDStretch is available on Google Play. For information:

This free open-access online bibliographic database is now hosted by the Museum of
Northern Arizona. Created and maintained by Leigh Marymor, this invaluable resource
now contains over 35,000 citations to the world's rock art literature. Searches
can be by Author, Title, Place keyword, Subject keyword, and ISBN number.

Catch the National Museum of the American Indian (NMAI) recent webcast on “The State
of Rock Art in North America,” featuring Dr. Larry Loendorf discussing new information
and approaches to rock art research, and Carolyn McClellan (Cherokee Nation), Assistant
Director for Programs at the NMAI, discussing “Written in Rock: Collaboration Among
Azerbaijani and Pueblo Indian Communities.” It is available at:

Please note that these are external links that take you to sites outside the structure
of sandiegorockart.org. These links are provided for information only and their appearance
here does not constitute endorsement by the San Diego Rock Art Association.